/Engine/Source/Runtime/RHI/Public/DynamicRHI.h
FlushType: Flush Immediate (seems wrong)
virtual void RHIReadSurfaceFloatData ( [FRHITexture](API\Runtime\RHI\FRHITexture) * Texture, FIntRect Rect, [TArray](API\Runtime\Core\Containers\TArray)< [FFloat16Color](API\Runtime\Core\Math\FFloat16Color) > & OutData, [FReadSurfaceDataFlags](API\Runtime\RHI\FReadSurfaceDataFlags) InFlags )